All Rainbow CSV features would be disabled by VSCode if the file is bigger than 50MB. You can customize Rainbow CSV colors to increase contrast, seeInstructions. This is especially helpful if you are using one of Light color themes.
🌈Rainbow CSV - VS Code extension: Highlight CSV and TSV files in different rainbow colors to make them more readable - Commits · mechatroner/vscode_rainbow_csv
To enter query-editing mode, execute RBQL VSCode command. RBQL is a very simple and powerful tool which would allow you to quickly and easily perform most common data-manipulation tasks and convert your csv tables to bash scripts, single-lines json, single-line xml files, etc. It is very ...